nftables

Replace iptables on recent distributions.

documentation

List tables

nft list tables

List rules of a table

Here is for filter table

nft list table filter

List all rules

nft list ruleset

Import from iptables

# transform to nftables
iptables-restore-translate -f /etc/iptables/rule.v4 > ruleset.nft

# load it (add -c to check if its valide rules)
nft -f ruleset.nft

# save it
nft list ruleset >/etc/nftables.conf

source

Flush

nft flush ruleset